code: def test_methods_predict_f(model: gpflow.models.GPModel) -> None:
      mf, vf = model.predict_f(default_datum.Xs)
      assert_array_equal(mf.shape, vf.shape)
      assert_array_equal(mf.shape, (10, 1))
      assert_array_less(np.full_like(vf, -1e-6), vf)
  
file_path: GPflow/tests/gpflow/models/test_methods.py
imports: from typing import List
  import numpy
  import pytest
  from numpy.testing import assert_array_equal, assert_array_less
  import gpflow
  from gpflow.base import AnyNDArray
label_desc: Use image node_id 1 for calling a global function with example usage: test_methods_predict_f(model) without return types